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USGS Daily Statistics for Massachusetts

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ICE EFFECTS ON STREAMFLOW

The formation of ice on rivers can cause discharge values to appear unusually high. Display of these erroneous discharge data may result in improper assessment of flow conditions and misuse of the data. For this reason, display of discharge values for streams significantly affected by ice may be disabled from view. Display of discharge data will resume when ice conditions are no longer present. Discharge values for streams minimally affected by ice will continue to be displayed. Flows for streams with these conditions appear to increase during the night and decrease to near-base-line conditions around midday. To estimate the correct discharge for these streams, use the flow rate that corresponds to the bottom of the discharge curve, rather than the peak that corresponds to the top of the curve. Note that this method of estimation is possible only when no surface runoff is occurring. Daily mean discharges for periods of both significant and minimal ice-effect will be estimated and published in the Annual Water-Data Report for the water year in which they occurred.


The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 011055566 NEPONSET RIVER AT MILTON VILLAGE, MA


Norfolk County, Massachusetts
Hydrologic Unit Code 01090001
Latitude  42°16'15", Longitude  71°04'08" NAD27
Drainage area 101  square miles
Gage datum 5 feet above NGVD29
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00060, Discharge, cubic feet per second,
Day of
month
Mean of daily mean values for each day for 20 - 22 years of record in, ft3/s   (Calculation Period 1996-10-01 -> 2018-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 348 322 480 768 385 257 229 93 88 150 251 270
2 332 324 501 812 372 267 232 93 89 147 234 271
3 321 335 524 803 363 279 221 87 83 135 219 268
4 353 338 515 796 357 277 208 76 72 134 206 253
5 361 352 501 790 345 270 202 72 62 118 192 232
6 358 365 493 764 335 287 193 70 62 110 183 222
7 348 369 487 735 328 334 180 65 71 103 175 234
8 339 361 493 706 329 363 168 81 81 95 169 273
9 328 360 499 670 328 350 161 92 84 116 175 282
10 326 353 510 628 342 334 165 110 77 118 177 301
11 331 350 510 591 332 324 150 104 87 119 181 322
12 339 339 514 573 311 323 133 99 98 117 174 369
13 363 341 513 566 313 335 115 91 91 116 175 382
14 370 359 551 559 355 365 107 91 81 121 182 392
15 382 382 625 532 355 368 99 118 78 185 188 421
16 393 386 640 538 349 366 95 123 105 208 189 410
17 386 387 643 532 350 383 86 117 111 218 214 417
18 379 402 621 522 344 398 89 109 120 202 223 444
19 388 406 600 517 366 391 91 99 125 206 212 427
20 370 395 578 496 366 362 88 91 122 209 206 412
21 353 385 566 483 341 337 77 90 104 195 204 403
22 332 373 594 483 318 324 79 98 91 179 210 386
23 319 374 602 509 297 318 99 88 94 191 217 379
24 345 417 589 515 292 293 147 82 86 180 220 413
25 372 445 571 494 314 274 145 84 72 191 229 420
26 381 461 550 500 318 267 132 79 71 196 249 410
27 376 465 543 492 308 245 126 75 75 197 271 410
28 371 468 538 471 294 234 117 88 90 207 271 397
29 358 410 566 455 290 214 111 96 122 233 274 382
30 340   645 409 283 212 96 95 136 256 270 388
31 332   702   257   93 88   253   366